Dash-pot for shock-absorbers.



v C. H SLATTERY.

DASH PUT FOR SHOCK ABSORBERS.

APPucAnon FiLED MAR. 11. $916.

EL ZBMWA @mnmm. s, 1917.

ly/EN ToR. 6M 7% y/MM A TTORNE YS.

ilmflicafien Yams 1E, 191$, 50131991 27 and, us for Shock-A is a spec-iii M115 mmnti :10 wnohk dusolnvm f and has 501" its 26%; to plawie an improved shockgbsor mr of ihe type arm Efioying a; piso n and cylinder, the Kati-a1 be filed "aviifas. .Yiqniai 01 "my fl ficl mu}. hav- WM-ch will permit the .u flow 20m sick) 0* the pisim; "7., same or f se porag g 'hafi ,Ismce increases i1;

} i it i ks stroke, the pist S'HDke in @ither direcizich fluid Ming finally waged; in the cyiindar tn prevent fur'aher movement off/he pistons The invention is Capable "variaus modi ficatiuns suifisa'bie for dlfieyent cf springs, anti iiiusiamied in connac z-icn with an z-fllipfiical spring be"-We&11 fins upper and lower members in wi'iich the viewing is placed. 30 In the @Eemtien Rims a spring. F2

re 3. a pal-55:11 sida e rlm'icc applied in mi sentimu Fig #3? .4.

's $5.1m ihe Shh-ck absorber being lmata Liens babween parts of. the vehicle wiaich are spring supported Wifl raspest ta ash the? and whxch are mevable tawaid and :iFmm each other: aceorclmg to the c0mpressecured or bypass-2S mnstmcthn. '1 mm Emma}, pnifi of the piston we mi; -zsiy j ihen' icwer amiss they taper as? or bacmm shnllmver gradually as indicated at lfimii they fina'fi zmar 5mm #3115, cylinder W311i. U the upper and mm pm? mher sharply in tbs surface as e= :20. As shown, @711 an? but tha number: sfi desired.

the pistim WC K5 up 01" other fluid ii aha cyilmifiz" will pass: through he passages to npposizs sides of the piston. The shape of 5m pa a 52s is smzh that the flow will be cmngsm-afiveay fires (inring small 2? Qrdinary movemen'k 0f {:Ebe piston, and but limfle resisfia nce will? be nfiafedto the; spring 9.0 55011. Under special shock when the pisixm is fer-cs6, down beside the oonfiracted part 19 of the passages the resistance to the flhw 511 gradnafiy incimase and the spring :actian will be vheckeai. mntil finafiy, when 151w pision passes beyond 31v: 11mm. ends 0f M1 2 passages, the aciion will be practically snpped. On. :3, reimund, the action will be fme until tha the inczinsd parts pisbon Wiil b mm'e suddenly cimckezh and finally stopped. Therefore; the (lavish will aation of the springs inciient to slight istan Yeaa'l'ws' 31, where't-he Iii-a 03? they u'im'ities in the road, but under excessivfi shock or repmmd the act-2021 will b2 gradually chegked, thewrvby preventing the break ing of the springs 0r unduly straining the same. The bzaii and socket joints m; file my and bottom afscommadate any Miami vibzm tion incident to any siif hi sTnift r5 pofiitim'm of the connecting pm ad also yermiz- 33w device 450 be set-'12,?) ski; A: angle In. desire i.

What 1 c1a.im.a.,s new A flash poi; for Shack fim-arbers compaising zmcyiindmy zmd pistan therein, the

abrupt toward the ot inner Wall of the cylinrier having a channel traversed by the piston and adapted to bypass fluid from one end of the cylinder to the other, said channel decreasing in area toward both ends of the cylinder, the decrease being relatively long and gradual toward one end of the cylinder and short and ner end thereof, said Lemme channel terminating short of eeoh of the cylinder.

In testimony whereof, I do win my signature in presence of two Witnesses.

CHARLES H. SLATTERY, Witnesses:

W. W. SCUPHOLM, GEORGE S. Newman. 

